A randomized 25 question test from a pool of 761 questions, good luck!
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is best known for the being smallest power consumer, with the fastest data transmission rates?
Providing power to remote sites in a SCADA system has several difficulties associated with it. Which of the answers below would be best defined as one that is power generating 24 hours of the day under the right conditions?
Which of the terms below best reflects the effect of a radio waves trajectory when moving through mediums with different densities?
The biggest register that Modbus supports is 16-bit. Which of the terms below is used for the process to support 32-bit data?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "C"?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "E"?
There are various subsystems within any HMI. Which of the tasks below would be the primary responsibility of the alarm subsystem?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow the control strategy to be programmed once the I/O for the controllers was configured?
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that is limited to 10 km or less?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a holding registers would use?
The OSI model describes how a network should be arranged. Which of the layers below concern network topologies the most?
Any SCADA system must adhere to universal standards which allow smooth communication over international boundaries. Which of the standards below would be responsible for integration of security measures such as encryption?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of a HART protocol?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a holding register to the slave device
There are several fields in an Ethernet message frame structure. Which of the answers represent the total amount of fields in an Ethernet message frame?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input register?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage levels to represent logic states?
A media access control address is the name of the physical address that the Ethernet uses. Which of the answers represent the number of bytes that make up this MAC?
During day-to-day operation of an industrial network, some device addresses may change depending on the needs of the system. Which of the answers represents the normal state of a physical address during normal operations?
In the transmission control protocol validates that the destination has received the information packet sent. Which of the header components below is responsible for this verification?
There are numerous threats to the security of a DCS. Which of the security measures below would use a password on the BIOS to prevent unauthorized changes?
Which of the antenna below would be best for point-to-point communication?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as where the bulk of the GUI applications are configured?
There are several layer within the a typical DCS., each with it's own responsibilities. Which of the levels below is responsible for the seamless merging of process control information and managing the business side of production?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of a DeviceNet protocol?